Read this sentence from neil degrasse tyson's preface to his book the pluto files:

the pluto files chronicles and documents pluto's remarkable grip on the hearts and minds of the american public, the professionals, and the press.
why would this be considered an example of expository writing?

a. it reviews tyson's book and offers an opinion.
b. it informs the reader about the public's love of pluto.
c. it argues that people should not care so much about pluto.
d. it provides a fictionalized account of pluto's history.

Option B

Explanation:

Expository writing is a form of writing in which something is revealed or exposed. In this piece of article the love of Americans for Pluto is revealed. However there are three more form of writing s a) Pursuasive - in which author tries to influence the reader b) narrative - in which author narrates an event or incident and c) descriptive - in which an author describes something.

Hence, option B is correct

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.